﻿// Copyright (c) rubicon IT GmbH, www.rubicon.eu
//
// See the NOTICE file distributed with this work for additional information
// regarding copyright ownership.  rubicon licenses this file to you under 
// the Apache License, Version 2.0 (the "License"); you may not use this 
// file except in compliance with the License.  You may obtain a copy of the 
// License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the 
// License for the specific language governing permissions and limitations
// under the License.
using System;
using System.Reflection;
using Microsoft.Scripting.Ast;
using System.Linq;

namespace ActiveAttributes.UnitTests
{
  public static partial class ObjectMother
  {
    public static MethodCallExpression GetMethodCallExpression (Type returnType = null)
    {
      returnType = returnType ?? GetDeclaringType();
      var method = GetMethodInfo (returnType: returnType);
      var thisExpression = method.IsStatic ? null : GetThisExpression (method.DeclaringType);
      var arguments = method.GetParameters().Select (x => GetParameterExpression (x.ParameterType)).Cast<Expression>();

      return Expression.Call (thisExpression, method, arguments);
    }
  }
}